Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!wuarchive!zaphod.mps.ohio-state.edu!casbah.acns.nwu.edu!ils.nwu.edu!aristotle.ils.nwu.edu!neves From: neves@aristotle.ils.nwu.edu (David Neves) Newsgroups: comp.windows.ms.programmer Subject: Re: animation in Windows? Message-ID: <1714@anaxagoras.ils.nwu.edu> Date: 15 May 91 14:22:20 GMT References: <1688@anaxagoras.ils.nwu.edu> <1991May15.011830.10405@mnemosyne.cs.du.edu> Sender: news@ils.nwu.edu Organization: The Institute for the Learning Sciences Lines: 25 >I've done some rudimentary animation with Windows bitmaps. I'm not sure >what you're asking for when you say "secret invisible color"... The MAC allows you to paint using transparent color. This color allows the background to show through. I am not sure how it is implemented. I want to do this Source bitmap Destination bitmap Result O *z*z*z*z *z*O*z*z / X \ *z*z*z*z */*X*\*z / \ *z*z*z*z *z/z\z*z I assume that my source bitmap will have all white in the none body parts and that I would get the following if I did a srccopy. O *z*z*z*z * O z / X \ *z*z*z*z */ X \ z / \ *z*z*z*z * / \ z -- neves@ils.nwu.edu Institute for the Learning Sciences, 1890 Maple, Evanston Il 60201